CN105939753A - Safety needle assemblies and related methods - Google Patents
Safety needle assemblies and related methods Download PDFInfo
- Publication number
- CN105939753A CN105939753A CN201480074914.0A CN201480074914A CN105939753A CN 105939753 A CN105939753 A CN 105939753A CN 201480074914 A CN201480074914 A CN 201480074914A CN 105939753 A CN105939753 A CN 105939753A
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- China
- Prior art keywords
- pin
- supporting member
- sleeve pipe
- cannula
- catheter
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0097—Catheters; Hollow probes characterised by the hub
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3273—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel freely sliding on needle shaft without connection to syringe or needle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0693—Flashback chambers
Abstract
A safety needle assembly having a first hub attached to a flexible tube and a second hub attached to a needle projecting through the flexible tube. A needle guard is positioned in an interior cavity of the first hub. The needle guard has a proximal wall having an opening and two arms each with an end and wherein the two ends spaced from and biased toward the needle in a ready position. In a particular example, a support is located inside the cavity of the first hub and wherein the two ends of the two arms on the needle guard rest on the support in the ready position.
Description
Technical field
The present invention relates generally to pin security component and correlation technique, and relate more particularly to pin security component and use the correlation technique of pin protector, pin protector has unique installation, to move period at pin have low friction between pin protector and pin, such as during relative to pin protector retraction pin.
Background technology
Insertion process for intravenous (IV) conduit tube component comprises four basic steps: pin is inserted the vein of patient together with conduit by (1) medical and nursing work personnel；(2) insert after vein at needle point, by medical and nursing work personnel with his or her finger push conduit, and make conduit proceed in the vein of patient；(3) medical and nursing work personnel are by catching cannula tip (contrary with point), simultaneously with the his or her empty-handed skin that pressure is applied to patient at position, insertion point, to stop the blood stream by conduit, and extract pin out；(4) the end adhesive tape patch of the exposure of conduit (catheter cannula) then on the skin of the patient and is connected on fluid source by medical and nursing work personnel, in order in the vein of input patient.
One problematically, at pin after the vein of patient is extracted out, the medical and nursing work personnel related at least two emergency procedures in this time must at once the pin tip of exposure be placed near position, and process realizing required for pin is extracted out of task.At this moment, the pin tip of exposure can produce the risk of accidental needle sticks, and the impact of the propagation of this pathogen carried at the blood making medical and nursing work personnel be susceptible to various danger in some cases, including AIDS and hepatitis.
Medical and nursing work personnel are made to be exposed to the risk of accidental needle sticks as other pin class types.Such as, carry out injecting, using the doctor of staight needle, Xiu Bai (huber) pin, epidural needle etc. to be placed on pallet by used pin, in order to nurse carries out follow-up disposal.For used pin is placed on pallet or work station the period being dropped to it, for those people worked near or around at pin, used pin is potential disease propagating source.
Summary of the invention
The various embodiments of needle assembly have some features, are not a single feature desirable attributes that are merely responsible for them.In the case of the scope of the present embodiment illustrated in being not intended to claims, shall now be briefly discussed their major feature.
The each side of the disclosure includes indwelling needle assembly, it includes first sleeve, the flexible duct being attached in the distal end of first sleeve, the second sleeve pipe being connected in the proximal end of first sleeve, it is attached on the second sleeve pipe and the projection pin by flexible duct, and the pin protector being positioned in the internal cavity of first sleeve, pin protector includes the proximal wall with opening and each includes two arms of the end being reversed in position with proximal wall, getting out position, two ends are biased away from pin and spaced apart with pin, and pin transports through the opening of pin protector.
Remaining needle can farther include supporting member, and it is positioned in the internal cavity of first sleeve, is wherein getting out position, and two end rests of two arms on pin protector are on the bearer.
Supporting member can be annular and be arranged to coaxial with flexible duct.Supporting member can be also the projection of the distal surface projection of the internal cavity from first sleeve.Each had pointed end in two ends of two arms, it contacts supporting member.Two arms of pin protector can be intersected with each other, and to form cross-shaped portion or the section that intersects, and pin further passes through intersection section.
Pin can include pin tip and the profile variations portion of the nearside being positioned at pin tip.When in the proximal wall that profile variations portion abuts in pin protector, and when the end of arm no longer biases on the bearer, two arms are closed on pin tip, are in pin protective position.
Remaining needle can farther include guid arm, and it is attached in first sleeve, and wherein guid arm is configured to be pressed against on flexible duct.Guid arm can include the guiding section being configured to be pressed against on flexible duct, and from guiding the contact flange that section extends.Guid arm is pivotally attached in first sleeve.
Another aspect of the disclosure includes safety catheter assembly, comprising: catheter cannula, catheter cannula includes valve and for opening the valve opener of valve；The duct conduits being attached on catheter cannula；Needle cannula；It is attached in needle cannula and the projection pin by duct conduits；With pin protector, its be positioned in the internal cavity of catheter cannula or be positioned at catheter cannula nearside the 3rd sleeve pipe internal cavity in.Proximal wall that pin protector can include having opening and two arms, each arm includes end, and being wherein ready on position, the supporting member being formed together with the valve opener of catheter cannula, the 3rd sleeve pipe or the inside that is positioned at catheter cannula makes two ends of pin protector spaced apart with pin.
Safety catheter assembly can farther include supporting member, and it is positioned at the inside cavity of the 3rd sleeve pipe, is wherein getting out position, and two end rests of two arms on pin protector are on the bearer.Supporting member can be annular and be arranged to coaxial with flexible duct.Supporting member can be located in the internal cavity of catheter cannula, and wherein two end rests of two arms on pin protector are on the bearer.Supporting member also can be formed together with valve opener.
3rd sleeve pipe can include distal walls and at least one arm that distally wall extends, and is getting out position, and arm engages with catheter cannula, to hold the 3rd sleeve pipe.3rd sleeve pipe can include two arms, and it closes with the maintaining part tap of catheter cannula.
Two arms of pin protector can be intersected with each other, to form cross-shaped portion or the section that intersects.Pin can further pass through intersection section.Alternatively getting out position, two arms can extend on pin side, and non-intersect.Protector can have end wall, overlaps on pin when it is in protective position, and does not the most combine crossing arm.
Pin can include pin tip and the profile variations portion of the nearside being positioned at pin tip.When in the proximal wall that profile variations portion abuts in pin protector, the end of the arm of pin protector no longer biases on the bearer, and is in protective position.
3rd sleeve pipe can include distal walls and opening, and limited opening becomes the distal walls by the 3rd sleeve pipe.Distal walls can abut on catheter cannula, and supporting member is placed in the middle around the opening of the distal walls of the 3rd sleeve pipe, and extends proximally in the room of the 3rd housing.The opening of the transmittable distal walls by the 3rd sleeve pipe of pin.
3rd sleeve pipe can farther include the sidewall between proximal wall and the distal walls extending in the 3rd sleeve pipe and the proximal wall of the 3rd sleeve pipe.The proximal wall of the 3rd sleeve pipe can limit opening.The opening of the transmittable distal walls by the 3rd sleeve pipe of pin.Distal walls, sidewall and the proximal wall of the 3rd sleeve pipe can limit internal cavity in collaborative ground.Pin protector can be positioned in internal cavity.
Valve can include multiple gap or a gap, and valve opener includes at least one supporting leg.
The another aspect of the disclosure includes safety catheter assembly, comprising: the duct conduits being attached on catheter cannula；It is attached in needle cannula and projection is by duct conduits and the pin of catheter cannula；And pin protector, it is positioned in the internal cavity of catheter cannula and the proximal wall that includes having opening and two arms, arm each include being biased away from pin and spaced apart with pin and be ready to position by the internal cavity being positioned at catheter cannula in the end of supporting members support.
Supporting member can near catheter cannula distal end at hole.Supporting member is arranged on the valve opener of the inside of catheter cannula.Valve opener can be sized and shaped to open the valve including at least one gap.
The method that the another aspect of the disclosure includes reducing the resistance on the pin of conduit tube component.Method includes the pin of retracting by pin protector and the duct conduits that is attached on catheter cannula in a proximal direction.Pin protector has the proximal wall with proximal open and two arms, and arm each includes end.Before retracting, the pin distal extension of pin goes out the distal end of duct conduits.
Method can farther include to make the profile variations portion of pin to abut in proximal wall.Such as, when profile variations portion abuts in proximal wall, and can abut on the periphery of the proximal open limiting proximal wall.Proximal wall stops profile variations portion to be conveyed there through.
Method can farther include to cover the pin tip of pin with at least one end of the arm of pin protector.
Method can further include at and get out position, with catheter cannula, the 3rd sleeve pipe or be positioned at the supporting member that the valve opener within catheter cannula is formed together and make two ends of pin protector spaced apart with pin.
Pin can further projection by the valve in catheter cannula, and the valve opener in catheter cannula.Valve opener may be configured to be pressed against on valve, to open valve.
Pin protector can be positioned in the internal cavity of catheter cannula or is positioned at the nearside of catheter cannula or partly in catheter cannula and partly at the nearside of catheter cannula.
Getting out position, the end of arm is by supporting members support, to stop end to be pressed against on pin.
The further aspect of the disclosure includes safety catheter assembly, comprising: catheter cannula, it includes valve and for opening the valve opener of valve；Duct conduits, it is attached on catheter cannula；Needle cannula；Pin, it is attached in needle cannula and duct conduits is passed through in projection；Pin protector, its be positioned at catheter cannula internal cavity or be positioned at catheter cannula nearside the 3rd sleeve pipe internal cavity in；Proximal wall that wherein pin protector includes having opening and two arms, arm each includes end, and is wherein getting out position, and two ends are spaced apart with pin and are biased to pin；And wherein, getting out position, two ends biass of pin protector are opened by the supporting member being formed together with the valve opener of catheter cannula, the 3rd sleeve pipe or the inside that is positioned at catheter cannula.
The method that the further aspect of the disclosure includes reducing the resistance on the pin of conduit tube component.In this example, method includes: at the proximal direction pin that retraction needle cannula keeps by pin protector and the duct conduits that is attached on catheter cannula, proximal wall that pin protector includes having proximal open and two arms, arm each includes end, getting out position, it is spaced apart with pin and is biased to pin, and before retracting, the pin distal extension of pin goes out the distal end of duct conduits；Abutting in the proximal open in proximal wall by the profile variations portion of pin, the proximal open of proximal wall stops profile variations portion to be conveyed there through；In protective position, cover the pin tip of pin with at least one end of the arm of pin protector；And wherein getting out position, two ends biass of pin protector are opened by the supporting member being formed together with the valve opener of catheter cannula, the 3rd sleeve pipe or the inside that is positioned at catheter cannula.
Another feature of the disclosure includes safety catheter assembly, comprising: catheter cannula, it includes valve and for opening the valve opener of valve；Duct conduits, it is attached on catheter cannula；Needle cannula；Pin, it is attached in needle cannula and duct conduits is passed through in projection；Pin protector, its be positioned at catheter cannula internal cavity or be positioned at catheter cannula nearside the 3rd sleeve pipe internal cavity in；Wherein pin protector includes the proximal wall with opening and each includes two arms of end；And wherein getting out position, two ends of pin protector are biased away from pin by supporting member, and are getting out position and protective position, and supporting member is spaced apart with the proximal open of proximal wall.
Another aspect of the disclosure includes that the method for resistance reducing on the pin of conduit tube component includes: proximal direction by pin protector and the duct conduits that is attached on catheter cannula the pin of needle cannula of retracting holding, proximal wall that pin protector includes having proximal open and two arms, arm each includes end, before retracting, the pin distal extension of pin goes out the distal end of duct conduits；Making in the proximal open that the profile variations portion of pin abuts in proximal wall, the proximal open of proximal wall stops profile variations portion to be conveyed there through；In protective position, cover the pin tip of pin with at least one end of the arm of pin protector；And wherein getting out position, two ends of pin protector are biased away from pin by supporting member, and are getting out position and protective position, and supporting member is spaced apart with the proximal open of proximal wall.
Accompanying drawing explanation
It will be appreciated that these and other feature and advantage of this device, system and method, because it becomes better understood, wherein with reference to description, claims and drawing:
Fig. 1 is the cross-sectional schematic side view of an embodiment of the safety needle assembly with guid arm.
Fig. 2 A is the enlarged drawing of the assembly of claim 1, and its display pin protector is positioned at the inside of the cavity of the first sleeve of the safety needle assembly of Fig. 1.
Fig. 2 B shows pin protector, the pin tip of its protection pin.
Fig. 3 is the schematic cross section of another embodiment of safety IV catheter assembly, and it has the pin protector in another embodiment being located at the 3rd sleeve pipe.
Fig. 4 is the schematic cross section of needle assembly, and it is connected in another embodiment of conduit tube component, and wherein pin protector supporting member is on valve opener.
Fig. 5 is the schematic cross section of the conduit tube component of Fig. 4, and wherein needle assembly is removed.
Fig. 6 is the schematic cross section of the conduit tube component of Fig. 4, and it couples with syringe.
Fig. 7 is the cross-sectional view of an embodiment of valve opener, and it has pin protector.
Fig. 8 is the cross-sectional view of an embodiment of valve opener, and wherein pin protector is arranged on the supporting member of valve opener of Fig. 7.
Fig. 9-11 is the various end view proximally seeing distally of the embodiment of valve opener.
Detailed description of the invention
The description describing the currently preferred embodiments being intended to the safety needle assembly as each side offer according to this device, system and method in detail illustrated below in conjunction with the accompanying drawings, and be not intended to represent the unique forms that can construct or use this device, system and method.The feature of the embodiment describing the embodiment illustrated for being shown in conjunction with and construct and use this device, system and method and step.However, it is understood that identical or equivalent function and structure can be realized by the different embodiment being also intended to be included in the spirit and scope of the disclosure.As represented by elsewhere herein, similar elements label is intended to indicate same or like element or feature.
The cross-sectional schematic side view of one embodiment of the safety needle assembly 100 that Fig. 1 provides for each side according to the disclosure, in the present embodiment, it is remaining needle.Such as display, needle assembly 100 includes the outer flexible duct 102 being attached in first sleeve 104, and pin 106, and pin is arranged on the inside of flexible duct 102 and is attached on the second sleeve pipe 108.Pin 106 can be hollow (such as having inner chamber), or solid (such as probe), and can be made up of metal or other biocompatible materials.Needle set has pin tip 110 and the profile variations portion 112 of the nearside being positioned at pin tip 110, such as pin protuberance or pleat.Second sleeve pipe 108 is removably coupled in first sleeve 104, but the most snugly the contact female Luer tapered portion of first sleeve 104 and non-frictional fit are therein.
Safety needle assembly 100 can be used as peripheral venous conduit and is therefore generally of length L being up to about 50.0cm.Can be attempting by promoting first sleeve the 104, second sleeve pipe 108 or both and flexure or bending when performing medical procedure at this length, flexible duct 102 and pin 106.Thus, it is provided that guid arm 114, it has guiding section 116 and contacts flange 118, to be conducive to this process.Guiding section 116 and be configured to during medical procedure, be pressed against on Outer Tube 102, finger can be pushed against on contact flange 118 simultaneously, so that inserting stable.
Guid arm 114 can be pivotally connected to first sleeve 104 at pivotal connection 120.Along with pin 106 and pipeline 102 penetrate vein, guid arm 114 can be in a direction (Fig. 1 is shown as counterclockwise) upper rotation, to provide the gap required for inserting.After successful intubation, the second sleeve pipe 108 and pin 106 are retracted away from first sleeve 104 and pipeline 102.
Tip guard member or pin protector 122 may be provided in the internal cavity 124 of first sleeve 104.Internal cavity is further provided with supporting member 126.In the present embodiment, supporting member 126 can comprise ring, and it is arranged to coaxial with flexible duct 102.In one example, supporting member 126 is attached to the inside of first sleeve 104, to provide the supporting surface for pin protector 122, as discussed further below.In another example, supporting member 126 is that the molding on the inside of first sleeve 104 is protruding, such as rib.Further, replacing continuous or complete ring, supporting member 126 can comprise two or more single sections, such as two or more ribs, it is formed around the hole entrance 128 of pipeline 102.Supporting member 126 can be any structure, as long as it does not interfere the pin 106 being conveyed there through, and can provide supporting surface, for pin protector 122.
Referring now to Fig. 2 A, display pin protector 122 is arranged in the internal cavity 124 of first sleeve 104.Pin protector 122 includes: proximal wall 130, and it includes the proximal open 132 making pin be conveyed there through；And two arms 134,136, it each has and is getting out the end 138,140 that position is biased on supporting member 126, is getting out position, and pin is ready for patient.Two arms 134,136 can have equal length or different length so that two ends are axially staggered.Each end 138,140 can include curved section, and it has the surface of relative smooth, is used for being biased on supporting member 126 or contacts supporting member 126, in order to avoiding biasing supporting member by sharp edges.In other example, end 138,140, by means of pointed end edge, contacts supporting member 126, and this is the most preferred.Pin protector 122 can be made up of metal or other biocompatible materials, such as plastics or metal and the combination of plastics.
In one embodiment, if any, pin protector 122 only contacts each other with pin 106 at the proximal open 132 of proximal wall 130.In another embodiment, if any, pin protector 122 also can contact each other with pin 106 at the intersection section of two arms or cross-shaped portion 142.Thus, during retracting pin 106 from flexible duct 102, if any, pin contracting from time, user experience or sensation unique resistance be at the opening 132 of proximal wall.Retract away from major part (if not all) period of flexible duct 102 and first sleeve 104 at pin 106, two ends 138,140 are spaced apart with pin 106, such as by gap or space or supporting member 126.
During pin 106 removes away from first sleeve 104, the profile variations portion 112 near pin tip 110 finally abuts on the periphery of proximal open 132 of pin protector.Because profile variations portion 112 is more than the periphery of the proximal open 132 on pin protector physically at least along cross section, so when the second sleeve pipe 108 and pin 105 retract away from first sleeve 104, pleat is by coupling opening 132 and cavity 124 that pin protector 122 pulls out first sleeve 104.It is appreciated that, when pleat or profile variations portion engage the opening in proximal wall, it actually engages the periphery limiting proximal open, or more broadly, engages the proximal wall with opening of pin protector.Along with pin protector 122 moves in a proximal direction together with the pinwheel exterior feature change section 112 being joined in proximal wall 130, end 138,140 proximad of two arms 134,136 on pin protector 122 slides off supporting member 126, to close on pin tip 110, to stop by the unexpectedly acupuncture of sharp-pointed tip.Fig. 2 B illustrates profile variations portion 112, and it is contact openings 132 at proximal wall 130, and two ends 138,140 are the most overlapping in the distally of pin tip 110.Alternatively only one arm has crooked end, to stop the distal path of pin tip 110.
Thus, each side of the disclosure is understood to include indwelling needle assembly, and it includes the first sleeve being attached on flexible duct and the second sleeve pipe being attached on pin, and spicula extends through flexible duct.Pin protector is positioned in the internal cavity of first sleeve.Proximal wall that wherein pin protector includes having opening and two arms, arm each includes end, and is wherein being ready on position, and two ends are spaced apart with pin, and tensioning, in order to be biased towards pin.In particular example, supporting member is positioned at the inside of the cavity of first sleeve, and is wherein getting out position, and two end rests of two arms on pin protector are on the bearer.Thus, when retraction pin and engaging the proximal wall of pin protector until the profile variations portion on pin, and pull proximal wall (then two arms are pulled away from supporting member by this) in a proximal direction, the contact between pin and pin protector is minimized.
In this example, discuss indwelling needle assembly with reference to Fig. 1 and 2, and it is suitable for use in safe vein inner catheter.Such as, first sleeve can be the catheter cannula being attached on duct conduits, and the second sleeve pipe can be the needle cannula being attached on pin, and spicula extends through duct conduits.The guid arm of Fig. 1 can omit.Pin protector is positioned in the internal cavity of catheter cannula.Wherein pin protector includes the proximal wall with opening, and two arms, and arm each includes distal end, and wherein getting out position, and two distal end are spaced apart with at the pin within catheter cannula.Two arms are elastic, and are therefore biased towards pin.In particular example, supporting member is positioned at the inside of the cavity of catheter cannula, and is wherein getting out position, and two end rests of two arms on pin protector are on the bearer so that they are spaced apart with needle shaft.Thus, when retraction pin and engaging the proximal wall of pin protector until the profile variations portion on pin, and pull proximal wall (then two arms are pulled away from supporting member by this) in a proximal direction, the contact between pin and pin protector minimizes.
The further aspect of the disclosure is understood to include the supporting member that the valve opener (with reference to as shown in Fig. 4-11) with catheter cannula, the 3rd sleeve pipe (with reference to as shown in Fig. 3) or the inside that is positioned at catheter cannula is formed together, it is by spaced apart with pin 158 for two ends 138,140 of pin protector 122, such as away from pin, make getting out position, end not contact pin.Because supporting member 126 is formed together with catheter cannula, the 3rd sleeve pipe or valve opener, so the protective position getting out in position and Fig. 2 B display shown in fig. 2, supporting member is spaced apart with the proximal open 132 of the proximal wall of pin protector.In fig. 2b, supporting member 126 is positioned together with first sleeve, and therefore spaced apart with the proximal open 132 of the proximal wall of pin protector.Further; because supporting member 126 is formed together with catheter cannula, the 3rd sleeve pipe or valve opener; so show in fig. 2 gets out position and the protective position shown in fig. 2b; supporting member is spaced apart with the proximal open 132 of the proximal wall of pin protector; and it is in protective position, spaced apart with pin protector.In fig. 2b, supporting member 126 is positioned together with first sleeve, and therefore spaced apart with the proximal open 132 of the proximal wall of pin protector and spaced apart with whole pin protector.
For other safety needle assembly disclosed and safety needle assembly component herein below, it is appreciated that, wherein display is still not explicitly described feature, and feature is same or like with other local feature described in other side, all as explained above with described by Fig. 1 and 2, however, disclosed in display in the accompanying drawings but be not explicitly described (because redundancy, and because knowledge is set up on the basis of before open is set up) parts can be regarded as described by the same or like feature clearly illustrated in the text of the embodiment for which describing feature (such as the safety needle assembly of Fig. 1 and 2) or instruct.In other words, the application follow-up open is set up on the basis of disclosed in before, unless context has other to indicate.Open it is therefore understood that be the feature that those of ordinary skill in the art are instructed disclosed embodiment and disclosed embodiment, without repeating similar component and feature in all embodiments, because technical staff ignores similar structures feature after will not be in just reading them in aforesaid paragraph, the knowledge that the description from elaboration the most in this specification obtains also will not be ignored.Thus, the same or like feature in the display safety needle assembly below combine before the teaching of embodiment, unless context has other to indicate.It is therefore contemplated that arrive, embodiments hereinafter disclosed enjoys the benefit of the embodiment being expressly recited before, and the feature of all embodiments as previously described and structure, unless context has other to indicate.
Referring now to Fig. 3, safety IV catheter 150 includes: first sleeve or catheter cannula 152, and duct conduits 154 is attached to it；And second sleeve pipe or needle cannula 156, pin 158 is attached to it, and the second sleeve pipe or needle cannula 156 extend partially through catheter cannula 152.As illustrated, pin 158 is in the process removed from catheter cannula 152, such as after successful venipuncture.Safety IV catheter 150 can farther include: valve 160, at the distal end of its inside being positioned at catheter cannula 152；It is positioned at the valve opener 162 of the nearside of valve 160；And it being also referred to as the 3rd sleeve pipe 164 of the 3rd housing or protector housing, it is positioned at the nearside of catheter cannula 152.3rd sleeve pipe 164 can be directly coupled to catheter cannula 152, such as has Rule protruding, for the female Luer engaging catheter cannula 152 to frictionally.Valve 160 can be any check-valves, and it is configured to stop fluid or blood proximad to leak out catheter cannula.Getting out position, pin 158 is transmittable by valve 160, such as by being arranged on one or more gaps at the center of valve.
Valve opener 162 is configured to be pressed against on valve 160 and open valve 160, to allow fluid or solution distad to transport through catheter cannula 152 and duct conduits 154.Such as, valve opener 162 can be distally advanced, such as syringe tip by public medical apparatus and instruments, it is pressed against in the proximal end of valve opener 162, so that the nasal region section of valve opener is advanced distally in valve, so that it is opened, such as by opening one or more gap.In one example, valve opener 162 has wedge shape nasal region section, and to press off valve 160, and valve opener 162 has extension or supporting leg 1622, and it is promoted by public medical apparatus and instruments.Although single extension or supporting leg 1622 can not promote valve opener, but two or more extensions are preferred.Extension 1622 can be one or more single section, and it can be extruded, so that valve opener 162 abuts against valve 160 and advances by public medical apparatus and instruments.Valve opener 162 has opening 1620, and it is defined through the center of nasal region section of valve opener 162, in order to pin 158 is conveyed there through.
3rd sleeve pipe 164 has sidewall 167, and distally wall 165 and proximal wall 169 extend for they so that sidewall 167 extends between distal walls 165 and the proximal wall 169 of the 3rd sleeve pipe 164.The proximal wall 169 of the 3rd sleeve pipe 164 has opening, in order to pin 158 is conveyed there through.Pin 158 also transports through the opening 163 of the distal walls 165 of the 3rd sleeve pipe 164.The distal walls 165 of the 3rd sleeve pipe 164, sidewall 167 and proximal wall 169 collaborative ground limit internal cavity or space 170, and pin protector 122 is disposed therein.The shape of the 3rd sleeve pipe 164 can be hemispherical, cylinder, rectangle, polygon or irregularly shaped, as long as pin 158 is transmittable by proximal wall 169 and distal walls 165, and pin protector 122 can coordinate the inside of the internal cavity 170 at the 3rd sleeve pipe 164.In other words, sidewall 167 can be made up of the some of the plane each with their own.Therefore sidewall 167 can be cylinder, rectangle, polygon or irregularly shaped.In one example, sidewall 167 is integral in distal walls 165, and after pin protector 122 is placed in the inside of internal cavity 170, and proximal wall independently forms and follow-up is attached on sidewall.In another embodiment, sidewall 167 is integrally formed with proximal wall 169, and after pin protector 122 is placed in internal cavity 170, sidewall is attached in distal walls 165.
3rd sleeve pipe 164 can be made up of metal, plastics or biocompatible materials.Distal walls 165 abuts on catheter cannula 152 so that the 3rd sleeve pipe 164 is positioned between catheter cannula 152 and needle cannula 156.Pin 158 transports through the opening 163 of the distal walls 165 of the 3rd sleeve pipe 164.3rd sleeve pipe 164 can have at least one arm 166, and it is sized and shaped to getting out position, engages catheter cannula 152.Such as display, two arms 166 are distally extending and are being ready on position and during retraction pin 106 after success venipuncture, engage annular protrusion or the protuberance 168 of the inside of catheter cannula 152, to be secured on catheter cannula 152 by the 3rd sleeve pipe 164.Arm 166 and valve opener 162 are sized to the operation avoided interference with each other.Wall 165 can be other shape any of circular slab or the inside being completely covered or partly covering catheter cannula 152.
Supporting member 126 is arranged in the 3rd sleeve pipe 164.Supporting member 126 can around the opening 163 of the distal walls 165 of the 3rd sleeve pipe 164 or near opening 163 placed in the middle.As the supporting member 126 above for Fig. 2 A describes, supporting member 126 can comprise ring, and it is arranged to coaxial with duct conduits 154.In one example, supporting member 126 is attached on the 3rd sleeve pipe 164, to provide supporting surface, for pin protector 122.In another example, supporting member 126 is that the molding in the distal walls 165 of the 3rd sleeve pipe 164 is protruding, such as rib.In another example, supporting member 126 is integrally formed with the 3rd sleeve pipe 164, such as by glue or lock pin.Further, substituting continuous or complete ring, supporting member 126 can comprise two or more the single sections formed around the hole entrance 128 of pipeline 102, such as two or more ribs.Supporting member 126 can be any structure, as long as it does not interfere pin 106 to transport through, and can provide supporting surface, for pin protector 122.
In Fig. 3, the pin protector 122 of display is similar to the pin protector of Fig. 2 A.Getting out position, two ends 138,140 of two arms are spaced apart with needle shaft similarly.Such as display, two ends 138,140 are biased on the supporting member 126 of the inside being positioned at the 3rd sleeve pipe 164, and are being ready on position and at pin 158 during catheter cannula 152 is retracted, spaced apart with needle shaft.As previously discussed, when pin 158 retracts away from catheter cannula 152, the profile variations portion 112 of such as pin pleat abuts on periphery, periphery limits the opening 132 in the proximal wall of pin protector, and pin protector 122 finally separates with supporting member 126, in order to by with before discussion and with reference to stopping pin tip 110 in the way of similar shown by Fig. 2 B in case unexpected acupuncture.
Referring now to Fig. 4-6, it is shown that the alternative catheter assembly 150 provided according to the further aspect of this device, system and method.In this conduit tube component, the supporting member for pin protector can directly realize with valve opener 162.Additionally, catheter cannula 152 can be single part or be formed by two single parts attached together.Valve opener 162 can have supporting member 1624, extends from the proximal end of the nasal region section of valve opener 162, with needle support protector 122.In one embodiment, supporting member 1624 is the short column with hole, and the width of height or width ratio extension 1622 is shorter.Pin protector 122 rest is on valve opener supporting member 1624, until pin 158 is retracted away from catheter cannula 152, and pin pleat abuts on the opening on pin protector 122, as discussed above, so that pin protector is separated with supporting member 1624, then to stop pin tip 110, it is similar in Fig. 2 B display.
Especially, distal end 138,140 rest of display pin protector 122 is on supporting member 1624, and the proximal wall 130 of pin protector 122 is recessed in the inside of catheter cannula, and the recent side end sections of catheter cannula is positioned at the nearside of proximal wall 130, make getting out position, the nasal region section of needle cannula 156 can project in catheter cannula 152, and does not interfere extension 1622 or pin protector 122 (Fig. 5).Alternatively, the distal part of needle cannula 156 maybe can exist and simply recline around the outside extension of the proximal end part of catheter cannula, and not have the overlap of catheter cannula and needle cannula.Thus, extension 1622 and the height of supporting member 1624 or width can change, as long as needle cannula 156 does not interfere pin protector 122 or extension 1622.Valve opener can be made up of any biocompatible materials.In three figures of display, display conduit tube component 150 in Figure 5 get out position, (wherein pin protector 122 covers the pin tip of pin in the used position of display in figure 6, and valve cuts out), and valve open position in the figure 7, wherein public Rule tapered portion of syringe is inserted in catheter cannula, and make valve opener be distally advanced, to open valve.
Such as display, supporting member 1624 between two parties or can be positioned near opening 1620 around by the opening 1620 of the nasal region section of valve opener 162.As the supporting member 126 above for Fig. 2 A is described, the supporting member 1624 of the present embodiment can comprise many shapes and structure, with needle support protector 122.Supporting member 1624 can be any structure, as long as it does not interfere pin 106 to transport through valve opener 162, and can provide supporting surface, for pin protector 122.Supporting member 1624 can be cylindrical ring, such as short column or two single sections.In some instances, supporting member, so that the two of pin protector ends can separate with supporting member simply or can make it more difficult to separately in conjunction with outer surface features.Such as, outer surface smooths and can taper inwardly the most in a proximal direction, to be conducive to separately.Alternatively, can be in conjunction with the grip features of such as protuberance or recess, to make two being separately more difficult between end and supporting member of pin protector by increasing resistance.Surface discussed herein may be incorporated on any supporting member discussed elsewhere herein.
A method for being arranged on supporting member 1624 by pin protector 122 includes step: the distal end of pin protector 122 slides into the supporting member 1624 of valve opener 162 so that getting out position, and two arms 134,136 are spaced apart with needle shaft.With reference to Fig. 8, can slide on supporting member 1624 in order to ensure pin protector 122, distance x between the outer surface of needle shaft and supporting member 1624 should be less than distance y between needle shaft and the transition point of pin protector 122.Transition point can be turning point, the curved section of the end 138,140 of pin protector 122 here reaches maximum, and start to curve inwardly, thus allow the outer surface of the curved surface attached carrier 1624 of end 138,140, so that scattering each other away from needle shaft in end 138,140, and it is biased on supporting member 1624.If distance x between supporting member 1624 and needle shaft is more than distance y between needle shaft and transition point, then the end of supporting member 1624 can tapered (as Fig. 8 and 9 show), until distance x between supporting member 1624 and needle shaft is less than distance y between needle shaft and transition point.In one embodiment, the outer surface of supporting member 1624 can taper inwardly (as shown Fig. 9) from the end of supporting member 1624 towards the main bodies of valve opener 162, such as combine the section of depression, two ends making pin protector can fall in space, and is more fixed on supporting member.This contributes to stoping the pin protector 122 supporting member 1624 the most early with valve opener to separate.In another embodiment, supporting member 1624 has groove (as shown in Fig. 9) or other keeps out device, to stop pin protector 122 to separate the most too early with supporting member 1624.Obviously, in Fig. 8 and 9 the valve opener of display can be used for elsewhere herein disclosed in there is any conduit tube component of valve.
Referring now to Figure 10, showing the end view of the valve opener 162 that each side according to the disclosure provides, it has supporting member 1624, the circulus that supporting member 1624 is embodied as between two extensions 1622 and is formed around the opening 1620 of valve opener 162.Space between two extensions 1622 allows getting out use position, and the end 138,140 of pin protector 122 is positioned at there and on supporting member 1624, is similar in Fig. 8 and 9 display.
Referring now to Figure 11, the end view of the valve opener 162 that display provides according to the further aspect of the disclosure, it has supporting member 1624, supporting member 1624 is embodied as two or more single sections that the opening 1620 of the nasal region section around valve opener 162 is formed, such as two or more ribs.Two or more ribs can substantially rectangular in cross section, arc or a combination thereof.Supporting member 1624 can have match surface, in order to getting out use position, end 138,140 rest of pin protector 122 is thereon.
Figure 12 is the end view of the valve opener 162 of the further aspect offer according to the disclosure, and it has supporting member 1624, and supporting member 1624 is formed by substantially square shape short column, and short column connects the distal part of two extensions 1622.The degree of depth of square short column determines the height of supporting member 1624.Alternatively, supporting member 1624 can have flat surfaces, engages with the end 138,140 with pin protector 122.
Although specifically described herein and show the limited embodiments of safety needle assembly and its component, but many amendments will be apparent to those skilled in the art with modification.Additionally, for an embodiment but be not for element that another embodiment clearly discusses and feature can be equally applicable, as long as function or structure are not conflicted.Thus, unless context dictates otherwise, otherwise the feature for an embodiment is applicable to another embodiment.It is, therefore, to be understood that the safety needle assembly constructed according to the principle of disclosed device, system and method and its component can in the way of specifically described herein outside mode realize.The disclosure is also defined in claims.
Claims (18)
1. a safety catheter assembly, including:
Catheter cannula, it includes valve and for opening the valve opener of described valve；
It is attached to the duct conduits on described catheter cannula；
Needle cannula；
Pin, it is attached in described needle cannula and projection is by described duct conduits；
Pin protector, its be positioned at described catheter cannula internal cavity or be positioned at described catheter cannula nearside the 3rd sleeve pipe internal cavity in；
Wherein said pin protector includes the proximal wall with opening and each includes two arms of end；And
Wherein, getting out position, the supporting member being formed together with the valve opener of described catheter cannula, described 3rd sleeve pipe or the inside that is positioned at described catheter cannula makes two ends of described pin protector spaced apart with described pin.
Safety catheter assembly the most according to claim 1, it is characterized in that, described supporting member is positioned at the inside of the cavity of described 3rd sleeve pipe, and is wherein ready on position described, and two end rests of two arms on described pin protector are on described supporting member.
Safety catheter assembly the most according to claim 2, it is characterised in that described supporting member is for annular and is arranged to coaxial with described flexible duct.
Two end rests of two arms on safety catheter assembly the most according to claim 1, it is characterised in that described supporting member is positioned in the internal cavity of described catheter cannula, and wherein said pin protector are on described supporting member.
Safety catheter assembly the most according to claim 4, it is characterised in that described supporting member is formed together with described valve opener, described valve opener is slidably to open valve.
Safety catheter assembly the most according to claim 1, it is characterized in that, described 3rd sleeve pipe includes distal walls and at least one arm, and at least one arm described extends from described distal walls and gets out position described, engage described catheter cannula, to hold described 3rd sleeve pipe.
Safety catheter assembly the most according to claim 6, it is characterised in that at least one arm described includes two arms, it engages the holding part in the internal cavity of described catheter cannula.
Safety catheter assembly the most according to claim 1, it is characterised in that two arms of described pin protector are intersected with each other and form intersection section, and described supporting member is intersegmental with the described zone of intersection separates.
Safety catheter assembly the most according to claim 2, it is characterised in that described pin includes pin tip and the profile variations portion of the nearside being positioned at described pin tip；And when in the proximal wall that described profile variations portion abuts in described pin protector, the end of the arm of described pin protector is no longer biased on described supporting member, and is in protective position.
Safety catheter assembly the most according to claim 2, it is characterized in that, described 3rd sleeve pipe includes distal walls and opening, described limited opening becomes the distal walls by described 3rd sleeve pipe, described distal walls abuts on described catheter cannula, described supporting member is placed in the middle around the opening of the distal walls of described 3rd sleeve pipe, and described pin transports through the opening of distal walls of described 3rd sleeve pipe.
11. safety catheter assemblies according to claim 10, it is characterized in that, described 3rd sleeve pipe farther includes the sidewall between proximal wall and the distal walls extending in described 3rd sleeve pipe and the proximal wall of described 3rd sleeve pipe, the proximal wall of described 3rd sleeve pipe limits opening, described pin transports through the opening of the distal walls of described 3rd sleeve pipe, and the described distal walls of described 3rd sleeve pipe, described sidewall, described proximal wall collaborative ground limits internal cavity, and described pin protector is positioned in described internal cavity.
12. safety catheter assemblies according to claim 1, it is characterised in that include in the internal cavity that the valve in multiple gap is positioned at described catheter cannula, and described valve opener includes at least one supporting leg.
The method of 13. 1 kinds of resistances reduced on the pin of conduit tube component, described method includes:
The pin kept by needle cannula is retracted by pin protector and the duct conduits that is attached on catheter cannula in a proximal direction, described pin protector includes the proximal wall with proximal open and each includes two arms of end, before retracting, the pin distal extension of described pin goes out the distal end of described duct conduits；
The profile variations portion making described pin abuts in described proximal wall, to stop described profile variations portion to be conveyed there through；
In protective position, cover the pin tip of described pin with at least one end of the arm of described pin protector；And
Wherein it is being ready on position, and described catheter cannula, the 3rd sleeve pipe, or the supporting member that is formed together of the valve opener being positioned at the inside of described catheter cannula makes two ends of described pin protector spaced apart with described pin.
14. methods according to claim 13, it is characterised in that the further projection of described pin is by the valve in described catheter cannula.
15. methods according to claim 14, it is characterised in that the further projection of described pin is by the valve opener in described catheter cannula, and described valve opener is configured to be pressed against on described valve, to open described valve.
16. methods according to claim 13, it is characterised in that described pin protector is positioned in the internal cavity of described catheter cannula or is positioned at the nearside of described catheter cannula.
17. methods according to claim 13, it is characterised in that getting out position and described protective position described, described supporting member is spaced apart with the proximal open of described proximal wall.
18. 1 kinds of safety catheter assemblies, including:
Catheter cannula, it includes valve and for opening the valve opener of described valve；
It is attached to the duct conduits on described catheter cannula；
Needle cannula；
Pin, it is attached in described needle cannula and projection is by described duct conduits；
Pin protector, its be positioned at described catheter cannula internal cavity or be positioned at described catheter cannula nearside the 3rd sleeve pipe internal cavity in；
Wherein said pin protector includes proximal wall and each includes two arms of end, and described proximal wall has periphery, and described periphery limits opening；And
Wherein getting out position, two ends of described pin protector are biased away from described pin by supporting member, and in described position and the protective position of being ready to, described supporting member is spaced apart with the proximal open of described proximal wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532301.5A CN114129858A (en) | 2013-12-04 | 2014-12-03 | Safety needle assembly and related methods |
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| US201361911870P | 2013-12-04 | 2013-12-04 | |
| US61/911,870 | 2013-12-04 | ||
| US14/536,252 US10918837B2 (en) | 2013-12-04 | 2014-11-07 | Safety needle assemblies and related methods |
| US14/536,252 | 2014-11-07 | ||
| PCT/EP2014/076424 WO2015082551A1 (en) | 2013-12-04 | 2014-12-03 | Safety needle assemblies and related methods |
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| CN202111532301.5A Division CN114129858A (en) | 2013-12-04 | 2014-12-03 | Safety needle assembly and related methods |
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| CN105939753A true CN105939753A (en) | 2016-09-14 |
| CN105939753B CN105939753B (en) | 2022-06-21 |
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| CN202111532301.5A Pending CN114129858A (en) | 2013-12-04 | 2014-12-03 | Safety needle assembly and related methods |
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| EP (2) | EP3900769A1 (en) |
| JP (2) | JP6552498B2 (en) |
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- 2014-12-03 CN CN201480074914.0A patent/CN105939753B/en active Active
- 2014-12-03 SG SG10201804744VA patent/SG10201804744VA/en unknown
- 2014-12-03 WO PCT/EP2014/076424 patent/WO2015082551A1/en active Application Filing
- 2014-12-03 PT PT148062821T patent/PT3077034T/en unknown
- 2014-12-03 EP EP21173390.2A patent/EP3900769A1/en active Pending
- 2014-12-03 PL PL14806282.1T patent/PL3077034T3/en unknown
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Also Published As
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| US20150151085A1 (en) | 2015-06-04 |
| RU2690108C1 (en) | 2019-05-30 |
| AU2014359257A1 (en) | 2016-06-16 |
| JP2016538933A (en) | 2016-12-15 |
| AU2014359257C1 (en) | 2019-09-19 |
| ES2959595T3 (en) | 2024-02-27 |
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| RU2763013C2 (en) | 2021-12-24 |
| JP6882380B2 (en) | 2021-06-02 |
| SG10201804744VA (en) | 2018-07-30 |
| CN114129858A (en) | 2022-03-04 |
| RU2019116202A (en) | 2019-06-26 |
| RU2016126443A (en) | 2018-01-10 |
| JP2019195650A (en) | 2019-11-14 |
| PL3077034T3 (en) | 2024-02-05 |
| EP3077034B1 (en) | 2023-08-02 |
| AU2014359257B2 (en) | 2019-05-09 |
| RU2019116202A3 (en) | 2021-10-25 |
| EP3077034A1 (en) | 2016-10-12 |
| PT3077034T (en) | 2023-10-10 |
| CN105939753B (en) | 2022-06-21 |
| DK3077034T3 (en) | 2023-10-16 |
| US20210052859A1 (en) | 2021-02-25 |
| WO2015082551A1 (en) | 2015-06-11 |
| EP3900769A1 (en) | 2021-10-27 |
| US10918837B2 (en) | 2021-02-16 |
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